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Matches 1 - 50 out of 33,316

Document Document Title
WO/2019/010184A1
In accordance with aspects of the present invention, a wireless power circuit is presented. In some embodiments, the wireless power circuit includes one or more high-side transistors; one or more low-side transistors coupled in series wi...  
WO/2019/007532A1
The invention relates to an electric short-circuit device (400) comprising a first electric contact piece (404), a second electric contact piece (408), and a component (412) made of an electrically semiconductive crystalline material whi...  
WO/2019/007503A1
The invention relates to a power converter (1) comprising at least one phase module (33) which is arranged between a first DC voltage connection (37) and a second DC voltage connection (41) of the power converter and which has a large nu...  
WO/2019/000265A1
A detection circuit for a servo driver. The detection circuit comprises: a first switch module (10), comprising a first port (a), a second port (b) and a third port (c), the first port (a) being connected to a power source input end (13)...  
WO/2019/002403A1
The invention relates to a method for protecting the components of a power electronics module of a starter-alternator system for a vehicle, said starter-alternator system having a control module able to control the power electronics modu...  
WO/2018/236634A1
An electrical circuit and a method for regulating current and providing a circuit breaker to the electrical circuit. The circuit includes a bidirectional cell including a set of forward switches for power flow during a forward mode of op...  
WO/2018/233294A1
A method for determining the fault type of a high voltage direct current transmission line, comprising: acquiring the positive and negative voltages and currents of a j end and a k end of a direct current line and converting same into th...  
WO/2018/237320A1
In an illustrative embodiment, a supercapacitor system includes a common bus and a number of supercapacitor units, each of the supercapacitor units including one or more supercapacitors, coupled to the common bus via a balancing circuit,...  
WO/2018/236710A1
An electrical circuit is connected between a power source and a plurality of loads. A plurality of load protection devices is connected in parallel in a plurality of branches of a multi-branch, sub-circuit. Each one of the load protectio...  
WO/2018/230813A1
The present invention relates to a system and a method for preventing overvoltage of a battery and, more particularly, to a system and a method for preventing overvoltage of a battery, configured to prevent risk factors for the generatio...  
WO/2018/230044A1
Provided is a fault monitoring system capable of detecting directly an anomaly in the waveform or the amplitude of magnetic flux density in the iron core of a stationary induction machine. The stationary induction machine fault monitorin...  
WO/2018/227466A1
It provides a method for detecting fault in a power transmission line of a power transmission system and protection system using the same. The method includes steps of: obtaining a system parameter of the power transmission system, adjus...  
WO/2018/229536A1
This invention relates to a system for detecting, preventing and/or protecting explosion of an electric transformer equipped with an oil conservator tank filled with combustible coolant fluid and a method thereof. The system comprises ma...  
WO/2018/227467A1
It provides a method for detecting fault direction of transmission line (10) of an AC power system and control system using the same. The method includes: sampling current values and voltage values of three phases at one end of the trans...  
WO/2018/230424A1
The in-vehicle power supply device according to the present disclosure is provided with: an input unit; a charging/discharging circuit connected to the input unit; a first output unit connected through a first switching unit and a first ...  
WO/2018/231126A1
A power tool (PT) for connection to AC mains (20) via at least one residual current protective device (RCCD; PRCD) is disclosed. The power tool has a DC motor (DCM), a power factor correction unit (PFC) for converting AC mains power to D...  
WO/2018/230115A1
The purpose of the present invention is, with a battery in a charged state, to prevent an unstable state by which the battery is repeatedly in an overcharged state, and to improve stability. A battery pack comprises one or more of a rech...  
WO/2018/227307A1
A switching circuit for controlling charging input from a DC source to at least one inverter circuit, each inverter circuit corresponding to at least one respective battery, the switching circuit is provided with a switching device which...  
WO/2018/225572A1
Provided is an electricity storage element protection device in which after a switch is switched to a cutoff state in order to protect an electricity storage element from abnormality such as overcharge and overdischarge, the switch is qu...  
WO/2018/224760A1
The present invention relates to a testability method (500) for the in-flight testing of an operating state (540) of an electronic power chain (100) comprising at least one power converter intended for driving an electric motor (300). Th...  
WO/2018/224424A1
The present invention concerns a detection device (19) for detecting a short circuit current in an electrical power transmission cable (1), comprising: - an electrical power transmission cable (1) for a high-voltage DC network, comprisin...  
WO/2018/219174A1
A fault switch configuration and clearing method in a flexible direct current (DC) converter station. A network side switch (QF1) and a valve side split phase switch (QF2) are configured by the flexible DC converter station. When a fault...  
WO/2018/218713A1
A direct-current solid-state circuit breaker with adaptive current-limiting capability and a control method therefor. A topological structure of the direct-current solid-state circuit breaker is an H-bridge circuit formed by two unidirec...  
WO/2018/215215A1
The invention relates to a primary-pulsed switching power supply (1) for converting an input voltage (Ue) into an output voltage (Ua), at least comprising: a primary-side circuit branch (2) to which the input voltage (Ue) can be applied;...  
WO/2018/214189A1
The present invention relates to the technical field of safe power supply, and particularly relates to a power supply system, and multi-stage protection device for the same. The multi-stage protection device comprises a cut-out relay and...  
WO/2018/216655A1
This compressor driving device 2 is provided with: a compressor driving circuit 9 that drives a compressor; a compressor-driving power supply circuit 8 that supplies power to the compressor driving circuit from an alternating current pow...  
WO/2018/216850A1
A power conversion device according to an embodiment of the present invention comprises: a DC link capacitor charged with a direct-current power supplied from a power supply part; a fuse part, connected to an output terminal of the power...  
WO/2018/214864A1
Disclosed is a method and apparatus for suppressing the impact of a compensator on line distance protection. The method comprises: obtaining a first current of a line accessed by a compensator or series converters in the compensator, and...  
WO/2018/213701A1
Systems, apparatus, and methods are disclosed for operating a system comprising an energy storage device electrically couplable to an external device with a first terminal and a second terminal and a switch device disposed between the en...  
WO/2018/211933A1
A relay welding detection device has a voltage generation unit, a first and second resistor string, and a relay welding detection unit. A first relay is provided on a first wiring that connects a load and a first terminal of a DC power s...  
WO/2018/211882A1
A plurality of control circuits (31a-31d, 32a-32d) control the ON/OFF of each of a plurality of cutoff switches (20a-20d). A first signal system (60) transmits a significant signal during normal operation, and transmits a non-significant...  
WO/2018/210507A1
The invention relates to a method for determining a permissible deviation (ZA) for a drive system (1) and to a drive system (1). Further, the invention relates to an installation, in particular a paper machine. A characteristic feature o...  
WO/2018/212014A1
The present invention balances avoidance of excessive standby power loss with supplying of large current, and uses simple configuration to electrically connect a power storage device and a load which is for onboard use in a vehicle and w...  
WO/2018/206284A1
A current transformer connector (10; 102) for connecting a current transformer of an electrical network to a protection relay via a current transformer data acquisition board (12; 104), is provided. The current transformer connector (10;...  
WO/2018/204826A1
A solid state valve that includes a valve body having an opening for the passage of high pressure fluid, a membrane positioned over the opening to retain the high pressure fluid in the valve body, and a wire on the membrane, wherein appl...  
WO/2018/201708A1
An overcurrent protection method, control system and storage medium for bridge arm current of a flexible direct current transmission system. The method comprises: acquiring a bridge arm current (S101); processing the bridge arm current t...  
WO/2018/199917A1
A power device protection system comprising a front-end monitoring device to acquire electrical operation data at an input side of a power supply circuit, a controller to receive the electrical operation data from the front-end monitorin...  
WO/2018/196964A1
The invention relates to a method for generating an activating signal (A) for a direct current circuit breaker (22), which is arranged between a high-voltage direct current source (11) and a high-voltage direct current transmission line ...  
WO/2018/192951A1
The invention relates to a Charging system, comprising a number of m chargers (C1, C2, C3) each adapted for providing electrical energy to charge an electrical vehicle (E1, E2, E3, E4), whereby m is an integer and m ≥ 1, a number of n ...  
WO/2018/190391A1
Provided is a charging control device having excellent reliability. Provided is the charging control device comprising a current detection unit, an abnormal current determination unit, and a charging stop unit. The current detection unit...  
WO/2018/188746A1
An apparatus comprising a high-sided switching element of an inverter, a low-sided switching element of the inverter and a diagnostic module, and a method of operating said apparatus are described. The diagnostic module is configured to ...  
WO/2018/188750A1
An arrangement (10) is disclosed, comprising at least one first elongated element (1) and at least one second elongated element (2), each of the at least one first elongated element (1) and the at least one second elongated element (2) b...  
WO/2018/190400A1
Provided is an electricity storage device controller in which a relay (25) connects and disconnects an electric circuit to which an inverter (16) and an electricity storage device (19) are connected. A BCU (22) controls the electricity s...  
WO/2018/188897A1
The invention relates to a disconnection and switch-over device for overvoltage protection, particularly for DC systems, comprising at least one arresting element, and a thermal cut-off point incorporated into the electrical interconnect...  
WO/2018/184671A1
The invention relates to a multi-phase multi-stage power converter (MMC), comprising a phase module (PM1, PM2, PM3), which has a power converter module (UL, UH), which is formed from a plurality of two-pole sub-modules (SM) connected ele...  
WO/2018/186467A1
A control apparatus according to an embodiment of the present invention has a temperature acquisition unit, a current value acquisition unit, a state prediction unit, and a control output determination unit. The temperature acquisition u...  
WO/2018/186470A1
A monitoring assistance system according to an embodiment has a temperature acquisition unit, an electric current value acquisition unit, a state prediction unit, and a display control unit. The temperature acquisition unit acquires temp...  
WO/2018/178990A1
Safety power disconnection for remote power distribution in power distribution systems is disclosed. The power distribution system includes one or more power distribution circuits each configured to remotely distribute power from a power...  
WO/2018/181815A1
A load driving device, wherein a logic unit 30 for switching on/off a switch element connected to a load includes: a switch signal generation circuit 31 for generating a switch signal S3 so that the switch element is left on by default i...  
WO/2018/178653A3
A high temperature superconductor, HTS, tape (100) for detecting a quench in a superconducting magnet. The HTS tape comprises an HTS layer (101) of HTS material supported by a substrate (102). The HTS layer is divided into a plurality of...  

Matches 1 - 50 out of 33,316